body {
  background-color: #eee;
}

.header_nav {
    width: 100%;
    padding-bottom: 20px;
    background-color: #1a7ef4;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
  .box {
    border-radius: 50px;
    overflow: hidden;
    display: flex;
    justify-content: space-between;
    width: 60%;
    background:transparent;
    margin: 0 auto;
    // justify-content: space-around;
    align-items: center;
    margin-top: 30px;
    border: 1px solid #fff;
    text-align: center;
    div{
      text-align: center;
    }
    .style1{
      width: 35%;
      background-color: #fff;
      text-align: center;
      border-radius: 50px
    }
    .style2{
      width: 35%;
      // background-color: #fff;
      text-align: center;
      border-radius: 50px;
    }
    .style3{
      width: 35%;
      // background-color: #fff;
      text-align: center;
      border-radius: 50px;
    }
    .item{
        // background: #fff;
        border-radius: 50px;
        width: 34%;
        text-align: center;
        p{
            font-size: 18px;

        }
    }
    
  }
}

.nave {
  width: 90%;
  margin: 0 auto;
  .item {
    width: 100%;
    margin-top: 30px;
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 10px;
    p {
      margin-top: 5px;
      margin-bottom: 5px;
    }
    .head {
      font-size: 30px;
      margin-left: 6%;
      
    }
    .note {
        width: 88%;
      font-size: 12px;
      margin-left: 6%;
      border-bottom: 1px dotted #fff;
    }
    .lest {
        margin-top: 10px;
      display: flex;
      font-size: 14px;
      margin-left: 6%;
      justify-content: space-between;
    }
    .nade {
      height: 10%;
      width: 20%;
      margin-right: 10%;
      margin-bottom: 18px;
      border-radius: 50px;
      background-color: #368ef6;
      text-align: center;
      p {
        font-size: 18px;
      }
    }
  }
}

@media screen and (max-width: 750px) {
    .nave .item .nade {
      width: 28%;
    }
  }
@media screen and (max-width: 550px) {
  .nave .item .nade {
    width: 37%;
  }
}
